Patents by Inventor Sang-Ki Kwak
Sang-Ki Kwak has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240083384Abstract: A vehicle seat reinforcement device includes a leg portion mounted on a floor panel, a seat cushion frame slidably mounted on the leg portion, and a load reinforcing structure connected between the leg portion and the seat cushion frame, wherein when a seat belt anchorage load is transferred to the seat cushion frame, the seat cushion frame is locked to the leg portion by the load reinforcing structure.Type: ApplicationFiled: February 3, 2023Publication date: March 14, 2024Applicants: Hyundai Motor Company, Kia Corporation, Daechang Seat Co.,LTD-Dongtan, Hyundai Transys Inc.Inventors: Sang Soo LEE, Chan Ho JUNG, Mu Young KIM, Sang Hark LEE, Ho Suk JUNG, Deok Soo LIM, Sang Do PARK, In Sun BAEK, Sin Chan YANG, Chan Ki CHO, Myung Soo LEE, Jae Yong JANG, Jun Sik HWANG, Ho Sung KANG, Hae Dong KWAK, Hyun Tak KO
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Patent number: 9753345Abstract: A mother substrate for a display device includes: a first mother substrate and a second mother substrate including a plurality of panel regions and facing each other; a first contact electrode and a second contact electrode on the first mother substrate; a common electrode, a first voltage application electrode and a second voltage application electrode separated from each other and on the second mother substrate; and a liquid crystal layer between the first mother substrate and the second mother substrate. The first voltage application electrode is connected to the first contact electrode, and the second voltage application electrode is connected to the second contact electrode. The first voltage application electrode is applied with a first voltage, and the second voltage application electrode is applied with a second voltage different from the first voltage.Type: GrantFiled: January 2, 2013Date of Patent: September 5, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jong-In Kim, Sang Yong No, Kook Hyun Choi, Sang Ki Kwak, Jang Soo Kim
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Patent number: 9001162Abstract: A display apparatus includes a plurality of pixels. Each pixel includes a first sub-pixel that is charged with a data signal corresponding to an input gray-scale, in response to a gate signal, and a second sub-pixel that is charged with the data signal in response to the gate signal. A boost capacitor is disposed between the first and second sub-pixels. The boost capacitor increases the voltage of the signal charged in the first sub-pixel and decreases the voltage of the signal charged in the second sub-pixel. Each pixel further includes an initializing device to initialize a first electrode of the boost capacitor and a switching device to change an electric potential of the first electrode of the boost capacitor.Type: GrantFiled: May 10, 2011Date of Patent: April 7, 2015Assignee: Samsung Display Co., Ltd.Inventors: Sang-Yong No, Yoon-Jang Kim, Sang-Ki Kwak
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Patent number: 8873001Abstract: A display substrate and a display device are provided. The display substrate includes a substrate having a shielding area and a pixel area, and a black matrix layer disposed in the shielding area of the substrate and having a column spacer and a peripheral portion other than the column spacer, wherein an area of the peripheral portion of the black matrix layer relative to unit pixel area is approximately 11% or less.Type: GrantFiled: July 18, 2011Date of Patent: October 28, 2014Assignee: Samsung Display Co., Ltd.Inventors: Eun-Guk Lee, Woo-Jung Shin, Sang-Ki Kwak, Dong-Yoon Kim
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Patent number: 8796680Abstract: A thin-film transistor (TFT) substrate includes a semiconductor pattern, a conductive pattern, a first wiring pattern, an insulation pattern and a second wiring pattern. The semiconductor pattern is formed on a substrate. The conductive pattern is formed as a layer identical to the semiconductor pattern on the substrate. The first wiring pattern is formed on the semiconductor pattern. The first wiring pattern includes a source electrode and a drain electrode spaced apart from the source electrode. The insulation pattern is formed on the substrate having the first wiring pattern to cover the first wiring pattern. The second wiring pattern is formed on the insulation pattern. The second wiring pattern includes a gate electrode formed on the source and drain electrodes. Therefore, a TFT substrate is manufactured using two or three masks, so that manufacturing costs may be decreased.Type: GrantFiled: May 4, 2012Date of Patent: August 5, 2014Assignee: Samsung Display Co., Ltd.Inventors: Sang-Ki Kwak, Hyang-Shik Kong, Sun-Il Kim
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Publication number: 20140055698Abstract: A mother substrate for a display device includes: a first mother substrate and a second mother substrate including a plurality of panel regions and facing each other; a first contact electrode and a second contact electrode on the first mother substrate; a common electrode, a first voltage application electrode and a second voltage application electrode separated from each other and on the second mother substrate; and a liquid crystal layer between the first mother substrate and the second mother substrate. The first voltage application electrode is connected to the first contact electrode, and the second voltage application electrode is connected to the second contact electrode. The first voltage application electrode is applied with a first voltage, and the second voltage application electrode is applied with a second voltage different from the first voltage.Type: ApplicationFiled: January 2, 2013Publication date: February 27, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Jong-In KIM, Sang Yong NO, Kook Hyun CHOI, Sang Ki KWAK, Jang Soo KIM
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Patent number: 8610864Abstract: A liquid crystal display according to an exemplary embodiment of the present invention includes: a pixel electrode including a first subpixel electrode and a second subpixel electrode with a gap therebetween; a common electrode facing the pixel electrode; and a liquid crystal layer formed between the pixel electrode and the common electrode, and including a plurality of liquid crystal molecules, wherein the first and second subpixel electrodes include a plurality of minute branches, the first and second subpixel electrodes include a plurality of subregions having different length directions of the minute branches, and the width of the minute branches is wider than an interval between the neighboring minute branches.Type: GrantFiled: September 16, 2009Date of Patent: December 17, 2013Assignee: Samsung Display Co., Ltd.Inventors: Eun-Guk Lee, Byung-Duk Yang, Hyang-Shik Kong, Se-Hwan Yu, Sang-ki Kwak, Kyoung-Tai Han, Dong-Yoon Kim
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Patent number: 8400588Abstract: A liquid crystal display according to an exemplary embodiment of the present invention includes: a first substrate; a first signal line disposed on the first substrate, a thin film transistor connected with the first signal line, a first color filter and a second color filter disposed on the first substrate; a colored member disposed on the first color filter and the second color filter; and a pixel electrode disposed on the first color filter and the second color filter and the colored member, wherein the first color filter and the second color filter are partially overlapped with each other and the height of the colored member disposed at the overlap between the first color filter and the second color filter is greater than the height of the colored member disposed not at the overlap.Type: GrantFiled: October 7, 2010Date of Patent: March 19, 2013Assignee: Samsung Display Co., Ltd.Inventors: Byung-Duk Yang, Eun-Guk Lee, Sang-Ki Kwak, Dong-Yoon Kim, Yun-Jong Yeo
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Publication number: 20130044096Abstract: A method of driving a display panel includes generating a clock signal including a high period which includes a first horizontal period having a first level, a second horizontal period having a second level smaller than the first level, and a third horizontal period having the first level, and a low period having a third level, generating a gate signal which includes the first level in the first horizontal period, the second level in the second horizontal period, and the first level in the third horizontal period based on the clock signal, and charging a data voltage to a pixel of the display panel in response to the gate signal.Type: ApplicationFiled: April 10, 2012Publication date: February 21, 2013Inventors: Kwi-Hyun Kim, Kook-Hyun Choi, Sang-Ki Kwak
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Patent number: 8363190Abstract: A liquid crystal display (LCD) device and a method of fabricating the same includes a gate line arranged in one direction, a data line arranged in a perpendicular direction to the gate line, a pixel electrode arranged in a pixel region defined by the gate and data lines and having a diagonal side adjacent to a crossing portion of the gate and data lines, and a light blocking pattern arranged in a parallel direction with respect to the diagonal side of the pixel electrode and preventing light leakage.Type: GrantFiled: May 19, 2011Date of Patent: January 29, 2013Assignee: Samsung Display Co., Ltd.Inventors: Kyung Wook Kim, Sang-Ki Kwak, Yeo-Geon Yoon, Hyuk-Jin Kim
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Patent number: 8325315Abstract: Electric power is applied to a static charge dissipating line to apply a pixel voltage to a pixel electrode. A common voltage is applied to a common electrode. The common voltage is applied to the common electrode through a shorting pad formed on the lower substrate, or a probe is contacted to the common electrode to apply the common voltage to the common electrode. A liquid crystal layer is exposed to light while an electric field is formed between the pixel electrode and the common electrode, so that a cured reactive mesogen (RM) layer is formed on a surface of an alignment layer to pretilt liquid crystal molecules. A manner of applying electric power to the pixel electrode or the common electrode is facilitated and the pixel voltage or the common voltage may be uniformly applied. Therefore, the quality of a display panel may be improved.Type: GrantFiled: August 18, 2009Date of Patent: December 4, 2012Assignee: Samsung Display Co., Ltd.Inventor: Sang-Ki Kwak
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Publication number: 20120217495Abstract: A thin-film transistor (TFT) substrate includes a semiconductor pattern, a conductive pattern, a first wiring pattern, an insulation pattern and a second wiring pattern. The semiconductor pattern is formed on a substrate. The conductive pattern is formed as a layer identical to the semiconductor pattern on the substrate. The first wiring pattern is formed on the semiconductor pattern. The first wiring pattern includes a source electrode and a drain electrode spaced apart from the source electrode. The insulation pattern is formed on the substrate having the first wiring pattern to cover the first wiring pattern. The second wiring pattern is formed on the insulation pattern. The second wiring pattern includes a gate electrode formed on the source and drain electrodes. Therefore, a TFT substrate is manufactured using two or three masks, so that manufacturing costs may be decreased.Type: ApplicationFiled: May 4, 2012Publication date: August 30, 2012Inventors: Sang-Ki KWAK, Hyang-Shik KONG, Sun-Il KIM
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Publication number: 20120162273Abstract: A display apparatus includes a plurality of pixels. Each pixel includes a first sub-pixel that is charged with a data signal corresponding to an input gray-scale, in response to a gate signal, and a second sub-pixel that is charged with the data signal in response to the gate signal. A boost capacitor is disposed between the first and second sub-pixels. The boost capacitor increases the voltage of the signal charged in the first sub-pixel and decreases the voltage of the signal charged in the second sub-pixel. Each pixel further includes an initializing device to initialize a first electrode of the boost capacitor and a switching device to change an electric potential of the first electrode of the boost capacitor.Type: ApplicationFiled: May 10, 2011Publication date: June 28, 2012Applicant: Samsung Electronics Co., Ltd.Inventors: Sang-Yong NO, Yoon-Jang KIM, Sang-Ki KWAK
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Patent number: 8183097Abstract: A thin-film transistor (TFT) substrate includes a semiconductor pattern, a conductive pattern, a first wiring pattern, an insulation pattern and a second wiring pattern. The semiconductor pattern is formed on a substrate. The conductive pattern is formed as a layer identical to the semiconductor pattern on the substrate. The first wiring pattern is formed on the semiconductor pattern. The first wiring pattern includes a source electrode and a drain electrode spaced apart from the source electrode. The insulation pattern is formed on the substrate having the first wiring pattern to cover the first wiring pattern. The second wiring pattern is formed on the insulation pattern. The second wiring pattern includes a gate electrode formed on the source and drain electrodes. Therefore, a TFT substrate is manufactured using two or three masks, so that manufacturing costs may be decreased.Type: GrantFiled: August 6, 2008Date of Patent: May 22, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Sang-Ki Kwak, Hyang-Shik Kong, Sun-Il Kim
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Patent number: 8174661Abstract: A liquid crystal display includes a first insulating substrate including a display area and a peripheral area, a display area signal line in the display area of the first insulating substrate.Type: GrantFiled: March 24, 2009Date of Patent: May 8, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Sang-Ki Kwak, Hyang-Shik Kong, Dong-Yoon Kim
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Publication number: 20120086900Abstract: A manufacturing method of a liquid crystal display according to an exemplary embodiment includes: forming a thin film transistor array panel including a fan-out region connecting a display area and a peripheral area; forming a common electrode on a substrate; forming a cutout in the common electrode by using a laser; forming a common electrode panel by cutting the substrate; and assembling the thin film transistor array panel and the common electrode panel, wherein the cutout is formed on the edge of the common electrode panel and a portion of the cutout is positioned on the portion corresponding to the fan-out region.Type: ApplicationFiled: January 20, 2011Publication date: April 12, 2012Inventors: Se-Hwan YU, Sang-Ki Kwak
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Publication number: 20120033165Abstract: A display substrate and a display device are provided. The display substrate includes a substrate having a shielding area and a pixel area, and a black matrix layer disposed in the shielding area of the substrate and having a column spacer and a peripheral portion other than the column spacer, wherein an area of the peripheral portion of the black matrix layer relative to unit pixel area is approximately 11% or less.Type: ApplicationFiled: July 18, 2011Publication date: February 9, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Eun-Guk LEE, Woo-Jung SHIN, Sang-Ki KWAK, Dong-Yoon KIM
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Patent number: 8077275Abstract: A display substrate includes a transistor layer, a plurality of color filters, a first blocking member, a supporting member, a circuit part, a second blocking member and a protruding member. The first blocking member is disposed between different color filters. The supporting member maintains a distance between a base substrate and a substrate facing the base substrate. A circuit part is disposed in a peripheral area surrounding a display area, and the circuit part includes a metal pattern and a contact electrode in contact with the metal pattern. The second blocking member includes substantially the same material as the first blocking member and the second blocking member covers the circuit part. The protruding member includes substantially the same material as the second blocking member, and is integrally formed with the second blocking member.Type: GrantFiled: March 20, 2009Date of Patent: December 13, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Byung-Duk Yang, Jang-Soo Kim, Woo-Geun Lee, Ki-Won Kim, Sang-Ki Kwak, Hyang-Shik Kong, Sang-Hun Lee
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Patent number: 8071406Abstract: An array substrate includes a substrate including a display area and a peripheral area surrounding the display area, a transistor layer formed in the display area of the substrate and electrically connected to a gate line and a data line, a color filter formed in a pixel region on the transistor layer, a first light blocking member disposed between adjacent color filters, a first transparent member formed on the first light blocking member to cover the first light blocking member, a first color pattern formed in a peripheral area of the substrate and including substantially the same material as the color filter, and a second transparent member including substantially the same material as the first transparent member. The second transparent member is disposed in the peripheral area of the substrate to cover the first color pattern.Type: GrantFiled: April 17, 2009Date of Patent: December 6, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Sang-Ki Kwak, Min Kang, Se-Ah Kwon, Hyang-Shik Kong, Byung-Duk Yang, Sang-Hun Lee, Gwan-Soo Kim, Yui-Ku Lee
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Publication number: 20110221987Abstract: A liquid crystal display (LCD) device and a method of fabricating the same includes a gate line arranged in one direction, a data line arranged in a perpendicular direction to the gate line, a pixel electrode arranged in a pixel region defined by the gate and data lines and having a diagonal side adjacent to a crossing portion of the gate and data lines, and a light blocking pattern arranged in a parallel direction with respect to the diagonal side of the pixel electrode and preventing light leakage.Type: ApplicationFiled: May 19, 2011Publication date: September 15, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyung Wook KIM, Sang-Ki KWAK, Yeo-Geon YOON, Hyuk-Jin KIM